package org.csu.secondhand.api.service;

import org.csu.secondhand.api.entity.Collecting;

import java.util.List;

public interface CollectingService {
    Collecting insertCollecting(Collecting collecting);
    Collecting deleteCollecting(String username, long dealing);
    List<Collecting> getCollectingByUser(String username);
    int doICollectIt(String username, long dealing);
}
